Issued Patents All Time
Showing 226–229 of 229 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4404524 | Ionization detector | Yoshihiko Sato | 1983-09-13 |
| 4404270 | Positively chargeable powdered electrophotographic toner containing dialkyl tin oxide charge control agent | Osamu Higashida, Isamu Moribe | 1983-09-13 |
| 4273535 | Device for preventing tooth decay by laser beam irradiation and method of preventing tooth decay by use of the same | Shogo Yoshikawa | 1981-06-16 |
| 4259861 | Method and apparatus for determining whether a fluid is leaking | Shigehiro Shimoyashiki | 1981-04-07 |